Pet waterer



FIG. 1 is a perspective view of a pet waterer according to the present disclosure;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a first side view thereof; and,

FIG. 5 is a second side view thereof.

The broken lines illustrate portions of the pet waterer that form no part of the claimed design. 

CLAIM I claim the ornamental design for a pet waterer, as shown and described. 